550 : 반복제어문3 - 자가진단3

Java

import java.util.Scanner;
 
public class Main {
    public static void main (String[] arg) {
        Scanner sc = new Scanner(System.in);
        int line = sc.nextInt();
 
        for (int i=line; 0<i; i--) {
            for (int j=0; j<i; j++) {
                System.out.print("*");
            }
            System.out.print('\n');
        }
        for (int i=0; i<line; i++) {
            for (int j=0; j<=i; j++) {
                System.out.print("*");
            }
            System.out.print('\n');
        }
    }
}